code: def test_invalid_transform(self):
      with pytest.raises(ValueError):
          Word2Vec().transform(
              [f"{URL}#{entity}" for entity in ROOTS_WITHOUT_URL]
          )
  
file_path: pyRDF2Vec/tests/embedders/test_word2vec.py
imports: import itertools
  import numpy
  import pytest
  from pyrdf2vec.embedders import Word2Vec
label_desc: Use image node_id 3 for calling the TestWord2Vec obj's underlying member method code with example usage: obj.test_invalid_transform() without return types